Haylee,alocalEMTsufferingfromPTSD,spendsherdaysmakingsplitseconddecisionswithlivesthathanginthebalance.Onenightonaroutinecall,sheisfacedwithamoraldecision,takingmattersintoherownhandsandmercykillsayoungwoman.Herdecisionopensapandora'sboxthatleadsHayleetoblurthelinesofherjobresponsibilitiesandwantingtohelpthoseinneed.Now,fallingdeeperanddeeperintoarabbithole,shegetscaughtupinaworldofundergrounddrugsandasadistickillerwho'smadeherhisnextvictim.